Pea starch is a common plant-based starch extracted from peas. It has many characteristics and uses. Firstly, pea starch is a pure natural food ingredient that does not contain any chemical additives and is non-toxic and harmless. Secondly, pea starch has good stability and gelling properties, which can increase the viscosity and stickiness of food. It also has good water retention, which can improve the extensibility and elasticity of dough, and is suitable for the production of bread, pastries, and other foods. In addition, pea starch is also a high-quality nutritional supplement, rich in carbohydrates and dietary fiber, which can provide sustainable energy. In the food industry, pea starch is often used to make cakes, rice dumpling, biscuits and other foods, but also widely used in medicine, cosmetics, textiles and other fields. Due to its rich characteristics and wide application value, pea starch plays an important role in modern life.